Eagle ICA-D212-725, Инструкция по эксплуатации

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ICA-D212-725 (76)
Page 5 of 21
CHAPTER 76 – ENGINE CONTROLS (76-00-00)

COPYRIGHT

2007 BY DART AEROSPACE LTD.

THIS DOCUMENT IS PRIVATE AND CONFIDENTIAL AND IS SUPPLIED ON THE EXPRESS CONDITION THAT IT IS NOT TO BE USED FOR ANY PURPOSE OR COPIED OR COMMUNICATED TO ANY
OTHER PERSON WITHOUT WRITTEN PERMISSION FROM DART AEROSPACE LTD.
Revision:
0
Date: 07.05.31
be made as required in ground run or flight:
76.2.1.1.9.1 Readjust actuator stroke as
necessary to maintain 97% to 101.5% ± 0.75%
range with collective stick full down.
76.2.1.1.9.2
Set the cam to maintain 100% ±
0.6% N2 percent. (Engine Output Shaft RPM)
from flat pitch to full power.
76.2.1.1.9.3
If RPM droop occurs, rotate cam
counterclockwise toward maximum
compensation. If maximum cam compensation
does not correct RPM droop, shorten tube (12).
Cam shall not bottom on cam follower, either full
up or full down collective. If RPM overspeeds,
rotate cam clockwise.
CAUTION
ANY ADJUSTMENT AFTER
PRELIMINARY RIGGING WILL
REQUIRE RECHECK AND
ADJUSTMENT FOR PROPER
CLEARANCE OF GOVERNOR
STOP SCREWS.
76.2.1.2 Removal – Droop
Compensator Controls.
76.2.1.2.1 Open
engine compartment
cowling on left side.
76.2.1.2.2
Remove actuator (15, Figure 76-
1).
NOTE
Place actuator in dust proof
container until required for further
operations.
76.2.1.2.3
When control lever (16) is to be
removed for engine change, remove lockwire,
loosen bolt, and lift from serrated shaft of
overspeed governor.
76.2.1.2.4
Remove control tube (12) from
bellcrank of cambox (14) and from aft end of
torque tube (4) by removing cotter pins, nuts,
washer, and bolts.
76.2.1.2.5
Remove bellcrank (6), torque
tube (4), and associated parts as follows:
76.2.1.2.5.1
Remove access cover on left
side of pylon island to gain access for
operations.
76.2.1.2.5.2
Remove control tube (2) from
collective pitch bellcrank (1) and bellcrank (6) by
removing cotter pins, nuts, washers, and bolts.
76.2.1.2.5.3
Remove nut and washer from
forward end of torque tube (4).
76.2.1.2.5.4
Remove bracket assembly (3)
from structural support by removing three nuts,
six washers, and three bolts.
76.2.1.2.5.5
Remove retaining washer (9),
shims (8), shear pin (7), and bellcrank (6) from
shear fitting (5).
76.2.1.2.5.6
Slide torque tube (4) forward to
free from bearing in support (11), then slide aft
through firewall seal (10).
76.2.1.2.5.7
Remove support (11), if
necessary, to replace bearing from engine
service deck by removing four screws and four
washers
76.2.1.3 Cleaning – Droop
Compensator
76.2.1.3.1 Clean
external surfaces of parts
by wiping with a cloth moistened with dry
cleaning solvent (C-304). Do not permit solvent
to enter bearings or actuator.
76.2.1.3.2
Dry governor actuator and
droop compensator with dry, filtered
compressed air.
76.2.1.4 Inspection – Droop
Compensator Controls
76.2.1.4.1
Inspect linear actuator for
evidence of damage or malfunction